intuitionism

L. E. J. Brouwer, for whom the theorem was named, founded a movement in mathematics called intuitionism.

Written in 1964, it locates the anger and paranoia that had characterised the Goldwater insurgency—in effect, an extreme case of intuitionism—in a long history of populist resentment and apocalyptic rhetoric.

Dewey's criticism of intuitionism scarcely does justice to that method, whatever may be its inherent weakness.

Schiller, F. C. S.—Humanism, intuitionism, and objective reality.

He acknowledges his debt to Kant, to the Romanticists, and in particular to Schelling, whose "intuitionism" was naturally congenial to him.